Here are entered works on services that allow a person, using a computer, to engage in an actual "conversation" with other people in real time. Works on services, commonly called newsgroups and LISTSERV lists, that allow a computer user to post messages to, and read messages from, a group of people who have a common interest, usually by means of the Internet, a commercial online service, or electronic mail are entered under Electronic discussion groups. Works on services that allow a computer user to post messages to, and read messages from, a group of people who have a common interest, via a dedicated telephone line established for the purpose, are entered under Computer bulletin boards. --subdivision Online chat groups under subjects for online chat groups devoted to that subject
Here are entered works on Web services, such as Facebook, Twitter, etc., that enable people to meet, interact with, and develop personal relationships with others.
Here are entered works on Web sites that present themselves as starting points for Web browsing, usually offering both a search engine and topically arranged direct links to sites of general interest, and sometimes also offering electronic mail or other services.